1‑800‑243‑8355
Help
Contact Us
Free Shipping
Shipping Information
Manufacturer Rebates
How To Order
Payment Options
Return Policy
FAQs
Emissions Regulations
Gift Card Balance
Sponsorship Opportunities
Company
Request Catalog
OPGI Blog
Hours & Location
History
Frequent Buyer Points
Volume Discounts
Price Match Guarantee
Kit Swap Savings
Reviews
Careers
Clearance Sale
Archives
My Account
My Orders
My Wish List
As seen on
1979
K30
My Garage
12
View Garage
1974
Chevrolet
El Camino
Shop Parts
Filter Search
1942
Cadillac
Series 60
Shop Parts
Filter Search
1981
Cadillac
Seville
Shop Parts
Filter Search
1974
GMC
Sprint
Shop Parts
Filter Search
1964
Pontiac
Tempest
Shop Parts
Filter Search
1987
Chevrolet
K20
Shop Parts
Filter Search
1965
Chevrolet
K20
Shop Parts
Filter Search
1956
Cadillac
Eldorado
Shop Parts
Filter Search
1938
Cadillac
Series 60
Shop Parts
Filter Search
1979
Chevrolet
K30
Shop Parts
Filter Search
1982
Cadillac
Seville
Shop Parts
Filter Search
2010
Cadillac
STS
Shop Parts
Filter Search
Shop All Parts
+ Add Vehicle
Catalogs
Cart
Have a Question?
Ask our Experts
Mon‑Fri 8:00‑4:30 PT
Experts Offline
Interior
Door Handles & Hardware
Door & Window Handles, Door Hinges
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Gauges & Accessories
Gauges, Panels, Kits, Sending Units
Interior Accessories
Armrests, Carpet, Flooring, Consoles, Dash, Door, Glove Box
Keys & Locks
Hardware, Keys, Locks, Sets, & Switches
Exterior
Decals
Decals, Body Stripes, Misc
Exhaust
Mufflers, Headers, Pipes, Mainfolds, Tips, Kits
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Gaskets & Seals
Adhesives, Gaskets, Seals, Weatherstripping
Keys & Locks
Hardware, Keys, Locks, Sets, & Switches
Lamps & Lenses
Headlights, Lamps, Lenses, Bulbs, Hardware
Wheels & Accessories
Lug Nuts, Bolts, Studs, Wheels, Accessories
Body Parts & Trim
Convertible Tops & Accessories
Tops, Moldings, Boots, Hardware
Door Handles & Hardware
Door & Window Handles, Door Hinges
Moldings
Front End, Rear, Side, Window, Hardware
Sheet Metal & Body Panels
Doors, Hoods, Fenders, Quarter, Trunk, Floor, Armrest
Trunk Panels & Accessories
Mats, Dividers, Hardware, Accessories
Window
Glass, Motors, Regulators, Hardware
Suspension & Brakes
Brake Systems
Disc, Drum, Master Cylinders, Boosters, Pumps, Valves
Chassis & Suspension
Bushings, Mounts, Chassis, Steering, Suspension
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Engine & Drivetrain
Air & Fuel Delivery
Air Cleaners, Filters, Carburetors, Pumps, Tanks, Manifolds
Cooling & Heating
Air Conditioning, Controls, Fans, Motors, Cores, Radiators, Thermostats, Heaters, Pumps, Ducts
Decals
Decals, Body Stripes, Misc
Drivetrain
Differentials, Driveshafts, Chaines, Shifters, Transmissions, Bearings, Seals
Engines & Components
Belts, Pulleys, Camshafts, Heads, Oiling Systems, Engines
Exhaust
Mufflers, Headers, Pipes, Mainfolds, Tips, Kits
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Fittings & Hoses
Fittings, Clamps, Brackets, Hoses, Lines, Plugs, Tubing, Valves
Gaskets & Seals
Adhesives, Gaskets, Seals, Weatherstripping
Ignition & Electrical
Alternators, Wiring, Horns, Starters, Distributors
Oils, Fluids & Sealer
Oils, Fluids, Grease, Lubricants, Grease, Cleaners, Sealers, Glues
Windshield Washer
Bottles, Pumps, Arms, Motors, Switches, Hardware
Audio & Electric
Gauges & Accessories
Gauges, Panels, Kits, Sending Units
Ignition & Electrical
Alternators, Wiring, Horns, Starters, Distributors
Mobile Electronics
Antennas, Radios, Speakers, GPS, iPod, Bluetooth
Tools & More
Books
Owners Manuals, Service Manuals, History
Car Care & Paint
Covers, Cleaners, Waxes, Polishes, Paints, Coatings, Dyes, Markers
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Gifts & Apparel
Shirts, Jackets, Hats, Plates, Garage Decor
Tools & Shop Equipment
Brake, Electrical, Engine, Fuel, Hand, Suspension, Wheel, Tire
×
We use cookies to ensure that we give you the best experience on our website. Click
here
for more information.
Got It
Bonus! Extended! ★
Free ground shipping $99 + up to 20% Savings - use code: USA250
Home
All
Cooling & Heating
Hvac Ducts & Accessories
Hvac Ducts & Accessories
Filters
12
24
36
48
60
96
120
Relevance
Best Selling
A-Z ↓
Z-A ↑
Highest Price ↑
Lowest Price ↓
Newest Arrivals
×
Product Type
Aftermarket
9
Restoration
38
Part Type
A/C Receiver Drier Clamp
2
Air Distribution Duct
1
Cowl Induction Vacuum Actuator
1
Dash Board Air Vent
1
Dashboard Air Vent Adapter
1
Firewall Grommet
4
Firewall Plate
1
HVAC Control Duct Hose
14
HVAC Defrost and Heater Air Duct Hose
6
HVAC Heater Blend Door Actuator
1
HVAC Heater Control Cable
2
HVAC Heater Core Tube
1
Tube Fitting
1
Uncategorized
13
Category
Air Conditioning
2
Heater & AC
6
Hoses
15
Hvac Ducts & Accessories
49
Kick Panels
1
Tubing
1
Price
$1 - $100
42
$101 - $200
4
$201 - $300
1
Brand
AC Delco
2
General Motors
4
NotcHead
4
Old Air Products
20
RESTOPARTS
2
UMI Performance
1
Vintage Air
3
Review Rating
ooooo
ooooo
11
ooooo
ooooo
4
ooooo
ooooo
2
ooooo
ooooo
2
Not Yet Reviewed
28
Old Air Products
Heater Box Duct, 1961 Cadillac, W/ AC
ooooo
ooooo
$92.99
SALE
Old Air Products
Duct Hose, GM Vehicles, Heater & A/C, 3-1/4", Cloth, 6-Foot Long
ooooo
ooooo
$78.99
Save an extra 12%
Use
USA250
at checkout
SALE
Old Air Products
Duct Hose, GM Vehicles, Heater & A/C, 1-½", Cloth, 6-Foot long
ooooo
ooooo
$49.99
Save an extra 6%
Use
USA250
at checkout
SALE
Old Air Products
Duct Hose, GM Vehicles, Heater & A/C, 3", Cloth, 6-Foot Long
ooooo
ooooo
$75.99
Save an extra 9%
Use
USA250
at checkout
SALE
Old Air Products
Duct Hose, GM Vehicles, Heater & A/C, 1-¾", Cloth, 6-Foot long
ooooo
ooooo
$53.99
Save an extra 8%
Use
USA250
at checkout
SALE
Old Air Products
Duct Hose, GM Vehicles, Heater & A/C, 4", Vinyl, 6-Foot Length
ooooo
ooooo
$34.99
Save an extra 15%
Use
USA250
at checkout
NotcHead
Firewall Trim Ring, Notchead, 5pc Set (SET)
3 Finish Options
ooooo
ooooo
From
$99.99
SALE
Old Air Products
Duct Hose, GM Vehicles, Heater & A/C, 2-1/2", Cloth, 6-Foot Long
ooooo
ooooo
$63.99
Save an extra 11%
Use
USA250
at checkout
SALE
Old Air Products
Duct Hose, GM Vehicles, Heater & A/C, 2", Cloth, 6-Foot Long
ooooo
ooooo
$54.99
Save an extra $2.10
Use
USA250
at checkout
AC Delco
Duct Hose, GM Vehicles, Heater & A/C, 1-1/2", Vinyl, 6-Foot Long
ooooo
ooooo
$58.99
SALE
Old Air Products
Duct Hose, GM Vehicles, Heater & A/C, 2-3/4", Cloth, 6-Foot Long
ooooo
ooooo
$67.99
Save an extra 12%
Use
USA250
at checkout
SALE
Duct Hose, GM Vehicles, Heater & A/C, 1-¾", Vinyl, 6-Foot long
ooooo
ooooo
$37.99
Save an extra 8%
Use
USA250
at checkout
SALE
AC Delco
Duct Hose, GM Vehicles, Heater & A/C, 3-1/2", Vinyl, 6-Foot Length
ooooo
ooooo
$59.99
Save an extra 12%
Use
USA250
at checkout
NotcHead
Firewall Trim Ring, Notchead, 3/4" Hose Diameter
3 Finish Options
ooooo
ooooo
From
$19.99
Vintage Air
HVAC Louver Bezel, Under Dash, Vintage Air Slimline, Round (SET)
2 Finish Options
ooooo
ooooo
$23.99
Old Air Products
Duct Hose, GM Vehicles, Heater & A/C, 2-1/4", Cloth, 6-Foot Long
ooooo
ooooo
$48.99
Duct Hose, GM Vehicles, Heater & A/C, 6", Vinyl, 6-Foot long
ooooo
ooooo
$89.99
NotcHead
Firewall Trim Ring, Notchead, 5/8" Hose Diameter
3 Finish Options
ooooo
ooooo
From
$19.99
SALE
Duct Hose, GM Vehicles, Heater & A/C, 4-½", Vinyl, 6-Foot long
ooooo
ooooo
$75.99
Save an extra 9%
Use
USA250
at checkout
Duct Hose, GM Vehicles, Heater & A/C, 2-1/4", Vinyl, 6-Foot Long
ooooo
ooooo
$31.99
Duct Hose, GM Vehicles, Heater & A/C, 5", Vinyl, 6-Foot long
ooooo
ooooo
$86.99
SALE
Hardware, Defroster Duct, 68-72 Cutlass, 10pc Set (SET)
ooooo
ooooo
$5.99
Save an extra 13%
Use
USA250
at checkout
NotcHead
Firewall Trim Ring, Notchead, 1/2" Hose Diameter
3 Finish Options
ooooo
ooooo
From
$19.99
SALE
Old Air Products
AC Drier Clamp, 1963-73 GM Cars, 3" Diameter
ooooo
ooooo
$9.99
Save an extra 12%
Use
USA250
at checkout
Page 2 of 3 - 49 Items
«
1
2
3
»
Page 2 of 3 - 49 Items
«
1
2
3
»
Free Ground Shipping
Free Ground Shipping on orders over $99 in the contiguous United States.
Shop Clearance
Save up to 55% on huge clearance deals on hundreds of items.
Earn Points for Free Parts
Earn points for every dollar you spend with OPGI’s Frequent Buyer Rewards Program.
Price Match Guarantee
We’ll price match any currently advertised retail price offered by a retail competitor.
Select Your Vehicle
Find parts that fit your vehicle
GM Cars
GM Trucks
Make
Model
Year
Go